Chapter 1. ThinkSystem server with Intel Xeon SP (1st, 2nd 
Gen)
This topic provides general introduction to the Unified Extensible Firmware Interface (UEFI).
UEFI is an interface packed with various features, including system information and settings, boot and 
runtime services, BMC settings, system event logs, and user security. This guide applies to the following 
server models: 
•  SN550
•  SN850
•  SD530
•  SD650
•  SR150
•  SR250
•  SR530
•  SR550
•  SR570
•  SR590
•  MX Certified Node on SR650
•  MX3520
•  SR630
•  SR650
•  SR670
•  SR850
•  SR850P
•  SR860
•  SR950
•  ST250
•  ST550
•  ST558
Note: SR150, SR250, and ST250 only support specific functions among the listed ones. See the specific 
function descriptions for details.
Below table details the main menu. 
Note: If the Serial Over LAN (SOL) utility window is displayed incorrectly, change the window buffer size to 
ROW(100) x Column (31).
Table 1.   Main menu details
Item
Options
Description
System Configuration and Boot 
Management
N/A
Main menu
Select Language
Change the language for the current system.
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